They found the man about a block east of the school in the 9600 block of South Indiana Avenue. According to CBS-Ch. 2, he had just left a basketball game at Harlan.

The man, identified as Sergio Dukes of the 6100 block of South Kimbark Avenue, was taken to Roseland Community Hospital, where died of his injuries at 7:55 p.m., the Cook County medical examiner's office said.

Dukes was shot once in the chest and twice in the head, CBS reported; the attacker did not fire on anyone else.

No one was in custody as Thursday evening. Detectives are investigating.